[PR] feat(cms): port Airavata page models, snippets, and blocks to Wagtail 7.4 [airavata-portals]

["yasithdev (via GitHub)" <gi...@apache.org>]

yasithdev opened a new pull request, #114:
URL: https://github.com/apache/airavata-portals/pull/114

   ## A2.2 — port the portal's Wagtail content schema into the standalone CMS
   
   Second step of standing up `airavata-cms` (the standalone Wagtail service that will own gateway landing pages and docsites, decoupled from the portal). After the scaffold (#113), this PR brings over the portal's Wagtail **content schema**, modernized from Wagtail 2.13 → **7.4 / Django 6.0 / Python 3.13**.
   
   ### What's ported (into the `home` app)
   - **`home/blocks.py`** — the StreamField block library: paragraph, image, embed, heading, Bootstrap components (jumbotron/alert/button/card/carousel/well/media/embed-video), nav items, CSS, horizontal rule, FontAwesome, code. Import modernized `wagtail.core.blocks` → `wagtail.blocks`; `CodeBlock` via `wagtailcodeblock` 1.30 (declares Wagtail 7 support).
   - **`home/models.py`** — 9 snippets (`Announcements`, `Navbar`, `GatewayIcon`, `GatewayTitle`, `FooterText`, `NavExtra`, `CustomCss`, `CustomHeaderLinks`, `ExtraWebResources` + `CssLink`/`JsLink`) and 3 page types (`HomePage`, `BlankPage`, `CybergatewayHomePage`) with their orderable rows.
   
   ### Modernization changes
   - `wagtail.admin.edit_handlers` → `wagtail.admin.panels`; the removed `StreamFieldPanel` / `ImageChooserPanel` / `PageChooserPanel` → `FieldPanel`.
   - `wagtail.core.fields` → `wagtail.fields`; `wagtail.core.models` → `wagtail.models`.
   - `ParentalKey` app label `django_airavata_wagtail_base` → `home`.
   - Regenerated `home/0001_initial` for the full schema. Rewrote the create-homepage data migration to run **after** wagtailcore: the rich `HomePage` FKs (to `wagtailimages.Image` / `wagtailcore.Page`) pull `0001_initial` onto a late wagtailcore migration, so the scaffold's `run_before=("wagtailcore","0053_locale_model")` trick would create a dependency cycle. It now sets the page `locale` explicitly instead.
   - `wagtailcodeblock` added to `requirements.txt` and `INSTALLED_APPS`.
   
   ### Validation (sqlite)
   `migrate`, `makemigrations --check --dry-run` (no changes), and `manage.py check` all green; the data migration creates the root `Home` page + default site. Registry confirms 9 snippets, 3 page types, and a 19-block `BaseStreamBlock`.
   
   ### Scope / follow-ups
   Schema only. Page + block **render templates** and the **seagrid theme/content import** (the old Wagtail 2.13 fixtures reference removed models like `wagtailcore.pagerevision` and old StreamField JSON, so they can't be `loaddata`'d as-is) come in subsequent PRs. The Wagtail **admin** is fully functional now; live page rendering lands with the templates.


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Re: [PR] feat(cms): port Airavata page models, snippets, and blocks to Wagtail 7.4 [airavata-portals]

["yasithdev (via GitHub)" <gi...@apache.org>]

yasithdev merged PR #114:
URL: https://github.com/apache/airavata-portals/pull/114


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